基于jquery网站左侧下拉菜单

网站左侧下拉菜单jQuery代码。这是一款蓝色风格的适合做后台下拉菜单代码。效果图如下：

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实现的代码：

<div class="container">

    <div class="leftsidebar_box">
        <div class="line"></div>
        <dl class="system_log">
            <dt onClick="changeImage()">系统记录<img src="data:images/left/select_xl01.png"></dt>
            <dd class="first_dd"><a href="#">充值记录</a></dd>
            <dd><a href="#">短信充值记录</a></dd>
            <dd><a href="#">消费记录</a></dd>
            <dd><a href="#">操作记录</a></dd>
        </dl>

        <dl class="custom">
            <dt onClick="changeImage()">客户管理<img src="data:images/left/select_xl01.png"></dt>
            <dd class="first_dd"><a href="#">客户管理</a></dd>
            <dd><a href="#">试用/成交客户管理</a></dd>
            <dd><a href="#">未成交客户管理</a></dd>
            <dd><a href="#">即将到期客户管理</a></dd>
        </dl>

        <dl class="channel">
            <dt>渠道管理<img src="data:images/left/select_xl01.png"></dt>
            <dd class="first_dd"><a href="#">渠道主页</a></dd>
            <dd><a href="#">渠道标准管理</a></dd>
            <dd><a href="#">系统通知</a></dd>
            <dd><a href="#">渠道商管理</a></dd>
            <dd><a href="#">渠道商链接</a></dd>
        </dl>

        <dl class="app">
            <dt onClick="changeImage()">APP管理<img src="data:images/left/select_xl01.png"></dt>
            <dd class="first_dd"><a href="#">App运营商管理</a></dd>
            <dd><a href="#">开放接口管理</a></dd>
            <dd><a href="#">接口类型管理</a></dd>
        </dl>

        <dl class="cloud">
            <dt>大数据云平台<img src="data:images/left/select_xl01.png"></dt>
            <dd class="first_dd"><a href="#">平台运营商管理</a></dd>
        </dl>

        <dl class="syetem_management">
            <dt>系统管理<img src="data:images/left/select_xl01.png"></dt>
            <dd class="first_dd"><a href="#">后台用户管理</a></dd>
            <dd><a href="#">角色管理</a></dd>
            <dd><a href="#">客户类型管理</a></dd>
            <dd><a href="#">栏目管理</a></dd>
            <dd><a href="#">微官网模板组管理</a></dd>
            <dd><a href="#">商城模板管理</a></dd>
            <dd><a href="#">微功能管理</a></dd>
            <dd><a href="#">修改用户密码</a></dd>
        </dl>

        <dl class="source">
            <dt>素材库管理<img src="data:images/left/select_xl01.png"></dt>
            <dd class="first_dd"><a href="#">图片库</a></dd>
            <dd><a href="#">链接库</a></dd>
            <dd><a href="#">推广管理</a></dd>
        </dl>

        <dl class="statistics">
            <dt>统计分析<img src="data:images/left/select_xl01.png"></dt>
            <dd class="first_dd"><a href="#">客户统计</a></dd>
        </dl>

    </div>

</div>

css代码：

body{margin:;padding:;overflow-x:hidden;}
html, body{height:100%;}
img{border:none;}
*{font-family:'微软雅黑';font-size:12px;color:#626262;}
dl,dt,dd{display:block;margin:;}
a{text-decoration:none;}

#bg{background-image:url(images/content/dotted.png);}
.container{width:100%;height:100%;margin:auto;}

/*left*/
.leftsidebar_box{width:160px;height:auto !important;overflow:visible !important;position:fixed;height:100% !important;background-color:#3992d0;}
.line{height:2px;width:100%;background-image:url(images/left/line_bg.png);background-repeat:repeat-x;}
.leftsidebar_box dt{padding-left:40px;padding-right:10px;background-repeat:no-repeat;background-position:10px center;color:#f5f5f5;font-size:14px;position:relative;line-height:48px;cursor:pointer;}
.leftsidebar_box dd{background-color:#317eb4;padding-left:40px;}
.leftsidebar_box dd a{color:#f5f5f5;line-height:20px;}
.leftsidebar_box dt img{position:absolute;right:10px;top:20px;}
.system_log dt{background-image:url(images/left/system.png)}
.custom dt{background-image:url(images/left/custom.png)}
.channel dt{background-image:url(images/left/channel.png)}
.app dt{background-image:url(images/left/app.png)}
.cloud dt{background-image:url(images/left/cloud.png)}
.syetem_management dt{background-image:url(images/left/syetem_management.png)}
.source dt{background-image:url(images/left/source.png)}
.statistics dt{background-image:url(images/left/statistics.png)}
.leftsidebar_box dl dd:last-child{padding-bottom:10px;}

via：http://www.w2bc.com/Article/33084